CN209116248U - A kind of lens installation structure - Google Patents
A kind of lens installation structure Download PDFInfo
- Publication number
- CN209116248U CN209116248U CN201920029529.4U CN201920029529U CN209116248U CN 209116248 U CN209116248 U CN 209116248U CN 201920029529 U CN201920029529 U CN 201920029529U CN 209116248 U CN209116248 U CN 209116248U
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- lens
- pcb board
- installation set
- chip
- installation
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Abstract
The utility model relates to a kind of lens installation structures, are related to illuminating light distribution technical field, since existing lens are mostly fixed on pcb board by way of gluing, then following two problem easily occur, and 1, glue overflows to chip light emitting face and influence chip light emitting effect；2, since the problems such as gluing is irregular leads to later period degumming, and lamps and lanterns are damaged.This programme includes pcb board, the chip for being mounted on pcb board side, pcb board is equipped with lens and installation set close to the side of chip, lens are connected in installation set, installation set periphery is fixed with frame plate, frame plate is equipped with upper installing hole, pcb board is equipped with lower mounting hole, is equipped with screw in upper installing hole and screw pierces into lower mounting hole.It is connected by screw on pcb board by the way that lens are connected in installation set, then by the frame plate for being connected with installation set, it is mentioned above multiple so as to improve or solve the problems, such as.
Description
Technical field
The utility model relates to illuminating light distribution technical fields, more particularly, to a kind of lens installation structure.
Background technique
LED lamp currently on the market usually only carries out primary or most light distributions twice, that is, by the initial light distribution of chip,
Secondary light-distribution is carried out by the lens or reflector that are set to chip light emitting side again, so that the light emitted be made more to meet use
Family requires.
The lamps and lanterns that secondary light-distribution is carried out using lens are directed to, there are structures as shown in Figure 1 for lens, including for accommodating
The chip placing hole of chip, the exit facet for emergent ray, the hole wall and bottom hole in chip placing hole are linked to be an entire light and enter
Penetrate face.And existing lens installation process is substantially are as follows: operator is pasted lens on pcb board by glue, and keeps chip embedding
Enter in chip placing hole.Then this structure of above-mentioned installation and mounting means have the following deficiencies:
1, during pasting, on the light-emitting surface of part glue Yi Yizhi chip, and chip light efficiency and photochromic is influenced；
2, during pasting, the problems such as irregular, glue quantity is inadequate, may be smeared due to glue, transport and lamps and lanterns is caused to make
With falling off for lens in the process, or because being used for a long time, pcb board emits light and heat, and makes glue temperature distortion, degumming, it is final go out
The case where existing lens fall off, to cause the damage of lamps and lanterns；
3, by way of gluing lens, replacement lens are wanted to change light distribution angle in the later period, it tends to be difficult to realize, such as
Fruit is replaced by force, the components such as lens easy to damage, chip.
Utility model content
The purpose of the utility model is to provide a kind of lens installation structure, by the way that lens are connected in installation set, then will
The frame plate for being connected with installation set is connected by screw on pcb board, so as to improve or solve the problems, such as mentioned above three.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of lens installation structure including pcb board, is mounted on the chip of pcb board side, and the pcb board is close to chip
Side is equipped with lens and installation set, and lens are connected in installation set, and installation set periphery is fixed with frame plate, and frame plate is equipped with upper installation
Hole, pcb board are equipped with lower mounting hole, are equipped with screw in upper installing hole and screw pierces into lower mounting hole.
By using above-mentioned technical proposal, lens can be first connected in installation set, then the frame plate that installation set will be connected with
It is connected by screw on pcb board, to can produce following some effects:
1, the mode of screw connection replaces the mode of gluing, influences core on chip light emitting face so as to reduce glue and overflow
The probability of piece illumination effect；
2, durings the later period uses or carries etc., screw connection will not smear situations such as irregular because of heated, glue and
The problem of there is degumming, lens caused to separate with pcb board；
3, the mode of screw connection replaces the mode of gluing, equally also facilitates the later period to replace lens, and when replacement, not rapid wear
The components such as bad lens, chip.
The utility model is further arranged to: the installation set is equipped at least two toughness far from the port of pcb board one end
Item, toughness item are fixed with fixture block close to the side of installation set central axes；Lens are fixed with abutment ring far from the periphery of chip one end,
Installation set is provided with a ring slot on the inner wall far from chip one end port, abutment ring along installation set be clamped axially in annular groove slot bottom and
Between fixture block.
It can be by the abutting on lens by way of being equipped with toughness item, fixture block, annular groove by using above-mentioned technical proposal
Ring is connected between annular groove and fixture block, and since there is toughness item certain toughness can also lead to then in later period lens disassembly process
It crosses and breaks toughness item outward, realize the disassembly of lens.
The utility model is further arranged to: the fixture block is equipped with guiding surface far from the side of chip；When lens are installed
When in into installation set, abutment ring pushes guiding surface, and gradually toughness item is pushed to be bent towards far from installation set central axes direction.
By using above-mentioned technical proposal, when lens are installed into installation set from installation set far from chip-side, abut
Ring abuts guiding surface, and gradually toughness item is pushed to be bent towards far from installation set central axes direction, finally, when abutment ring is connected to
When between annular groove slot bottom and fixture block, toughness item loses thrust and resets go back to original position.That is, guiding surface can be supported conveniently
Ring is connect to be clamped between annular groove and fixture block.
The utility model is further arranged to: supporting plate is fixed on the installation set inner wall, supporting plate is far from pcb board one
Side is provided with support hole, and lens one end is pierced into support hole, and lens periphery wall is abutted against with support hole.
By using above-mentioned technical proposal, supporting role by supporting plate to lens, and radial position-limiting action, it can make
Lens are clamped more firm in installation set.
The utility model is further arranged to: the supporting plate is face contact with lens.
By using above-mentioned technical proposal, face contact can increase supporting plate to the contact area of lens, disperse supporting plate pair
The active force of lens reduces the probability of the two damage.
The utility model is further arranged to: at least two pieces of the number of chips on every piece of pcb board, and number of lenses
Amount, number of chips, installation set quantity are equal, the installation set quantity at least two being fixed on every block frame plate.
By using above-mentioned technical proposal, i.e. monolithic frame plate can connect multiple lens, to during the installation process, not need
Mounted lens one by one improve installation convenience degree, meanwhile, multiple lens position together, improve the serious forgiveness of installation, convenient
Disassembly, replacement, the maintenance in later period.
Wherein it is worth noting that, there are multiple lens to be solidly fixed on existing market, and will be multiple by screw
Mirror is installed to the situation on pcb board together, and the connecting bridge of adjacent lens and lens are same material, integrally formed, this
There are following superiority and inferiority difference for the connection type (kind of mode before referred to hereinafter as) and the connection type of this programme of lens and pcb board: 1, preceding
In kind mode, it is all the other material of optical grade, price is higher, and the frame plate in this programme that connecting bridge and lens, which are same material,
The higher optics grade material of price is not needed with installation set, then in contrast, this programme is more advantageous in price；2, preceding
Lens group in kind of mode because lens and connecting bridge be it is integrally formed, then not only to do optical design for lens, to be also
Connecting bridge does structure design, and in favor of the installation with pcb board, therefore the lens group is the equal of non-standard, therein to be designed to
Originally, equipment cost is all that cannot mention in the same breath with this programme with the cost of standard component lens；3, since connecting bridge needs
It is directly contacted with pcb board, in the case where heated for a long time, connecting bridge may have the hidden danger of deformation or discoloration, and influence
With the integrally formed lens of connecting bridge, deforms or change colour, finally influence illumination effect.
The utility model is further arranged to: the frame plate is fixed at least two positioning sleeves, PCB close to pcb board side
Plate is provided at least two Blind locating holes, the corresponding Blind locating holes of each positioning sleeve close to installation set side；When positioning sleeve imbeds
When in Blind locating holes, upper installing hole and lower mounting hole coaxial line.
By using above-mentioned technical proposal, due to the often more than one of the upper installing hole on frame plate, then first is being carried out
, usually can be not close because of frame plate and pcb board pressing when screw in upper installing hole screws, and occur second upper installing hole with
The case where corresponding lower mounting hole dislocation, and misplacing not only influences working efficiency, but also installation set may occur and squeeze chip and damage
The case where bad chip.And after above-mentioned positioning sleeve imbeds in Blind locating holes, subsequent process medium frame plate can be reduced and pcb board occurs relatively
The probability of sliding also just reduces the probability of upper installing hole and the dislocation of lower mounting hole.
The utility model is further arranged to: the positioning sleeve close to pcb board one end outer diameter by close to pcb board one end extremely
Far from pcb board one end in setting is become larger, the aperture of Blind locating holes is by being in gradually close to frame plate one end to separate frame plate one end
Become smaller setting.
By using above-mentioned technical proposal, then positioning sleeve more can be imported smoothly into Blind locating holes.
The utility model is further arranged to: the positioning sleeve is coaxially set with upper installing hole, Blind locating holes and lower peace
Dress hole is coaxially set.
By using above-mentioned technical proposal, during positioning sleeve imbeds in Blind locating holes, operator can pass through upper peace
Alignment condition is seen in dress hole, to improve alignment efficiency.
In conclusion the advantageous effects of the utility model are as follows:
1. overflowing so as to reduce glue to chip light emitting face in the present solution, the mode of screw connection replaces the mode of gluing
Probability that is upper and influencing chip light emitting effect；
2. in the present solution, screw connection will not smear irregular because of heated, glue durings later period use or carrying etc.
Situations such as and the problem of there is degumming, lens caused to separate with pcb board；
3. equally also facilitating the later period to replace lens, and replace in the present solution, the mode of screw connection replaces the mode of gluing
When, it is hardly damaged the components such as lens, chip；
4. then during the installation process, mounted lens one by one are not needed in the present solution, monolithic frame plate can connect multiple lens,
Installation convenience degree is improved, meanwhile, multiple lens position together, improve the serious forgiveness of installation, facilitate the disassembly, more in later period
It changes, repair.
5. in the present solution, connecting compared between adjacent transparent on the market by the connecting bridge of same material, and passing through company
The mode that bridge is connect with pcb board screw is connect, this programme is more advantageous in price, and under later period use heated for a long time, we
Lens in case are less susceptible to deform or change colour.
Detailed description of the invention
Fig. 1 is the lens-section schematic diagram in background technique.
Fig. 2 is the configuration schematic diagram of the present embodiment one.
Fig. 3 is the top view after each component assembles in the present embodiment one.
Fig. 4 is the schematic cross-section in Fig. 3 at A-A.
Fig. 5 is the structural schematic diagram of installation set and frame plate in Fig. 4.
Fig. 6 is the structural schematic diagram of the installation set and frame plate in the present embodiment two.
Fig. 7 is upper installing hole and lower mounting hole connection relationship sectional view in the present embodiment two.
Fig. 8 is the configuration schematic diagram of the present embodiment three.
Fig. 9 is the configuration schematic diagram of the present embodiment four.
In figure, 1, lens；11, exit facet；12, chip placing hole；13, plane of light incidence；14, abutment ring；2, pcb board；
21, chip；22, lower mounting hole；23, Blind locating holes；3, frame plate；31, upper installing hole；32, positioning sleeve；33, screw；4, it installs
Set；41, compensation seam；42, toughness item；421, fixture block；422, guiding surface；43, annular groove；44, supporting plate；441, support hole；
442, intercommunicating pore；45, stripping chute；46, stripping hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one: referring to figs. 2 and 3, be a kind of lens installation structure disclosed by the utility model, including pcb board 2,
It is mounted on the chip 21 of 2 side of pcb board, 2 other side of pcb board can be fixed in lamp housing (not shown), every piece of pcb board 2 one
The chip 21 of side is equipped with three pieces, and three pieces of chips 21 are arranged along 2 equal spacing in length direction of pcb board.
Pcb board 2 is equipped with multiple lens 1 and multiple installation sets 4 close to the side of chip 21, and corresponding one of every piece of chip 21 is thoroughly
Mirror 1 and an installation set 4, lens 1 can be connected in installation set 4.4 periphery of installation set is fixed with frame plate 3, and a block frame plate 3 is right
One piece of pcb board 2 is answered, then fixed there are three installation set 4 on a block frame plate 3, three installation sets 4 are set side by side.It is set on every block frame plate 3
It there are four upper installing hole 31, is set on every piece of pcb board 2 there are four lower mounting hole 22, is mounted on one in each upper installing hole 31
Screw (not shown), and the tip of screw (not shown) may pass through lower mounting hole 22, and be threadedly connected to lamp housing (figure
In be not shown) on, i.e., frame plate 3 can be removably mounted on pcb board 2 by screw (not shown).
With reference to Fig. 4, lens 1 include: for accommodating the chip placing hole 12 of chip 21, for the exit facet of emergent ray
11, exit facet 11 is located at the upper end of lens 1；Chip placing hole 12 is set to the lower end of lens 1, the hole wall in chip placing hole 12 and hole
Bottom is linked to be an entire plane of light incidence 13.The setting in curved surface of the periphery wall of lens 1, and the diameter of lens 1 from top to bottom gradually becomes
It is small.
With reference to Fig. 4 and Fig. 5, installation set 4 is provided with three groups of compensation seams 41, every group of compensation seam 41 far from the port of 2 one end of pcb board
Equipped with two, a 41 divisible toughness items 42 with a certain toughness out are stitched in every group of compensation, so that lens 1 are being clamped into installation
When in set 4, toughness item 42 can be moderately bent, and be resetted after the installation for completing lens 1, consequently facilitating lens 1 being caught in and tearing open
Out.
Toughness item 42 is fixed with fixture block 421 close to the side of 4 central axes of installation set, and lens 1 are far from the outer of 21 one end of chip
It is fixed with abutment ring 14 week, installation set 4 is provided with a ring slot 43 on the inner wall far from 21 one end port of chip, and abutment ring 14 is along peace
Encapsulation 4 is axial to be clamped between 43 slot bottom of annular groove and fixture block 421.Fixture block 421 is equipped with guiding surface far from the side of chip 21
422, when lens 1 are installed into installation set 4 from installation set 4 far from 21 side of chip, abutment ring 14 abuts guiding surface 422,
And gradually toughness item 42 is pushed to be bent towards far from 4 central axes direction of installation set, finally, when abutment ring 14 is connected to 43 slot bottom of annular groove
When between fixture block 421, toughness item 42 loses thrust and resets go back to original position.
Herein it is worth noting that, seam 41 is compensated if be not provided with, that is, fixation is set directly on 4 port inner wall of installation set
Fixture block 421 is set, since the port of installation set 4 one week is continuous, and the flexible deformation of fixture block 421 itself is very limited, then supports
Connecing ring 14 would become hard to be embedded between annular groove 43 and fixture block 421.
A stripping chute 45 is equipped with below every toughness item 42, stripping chute 45 is downward through frame plate 3 out.
One piece of supporting plate 44 is fixed on 4 inner wall of installation set, supporting plate 44 is arranged close to 4 lower end of installation set, supporting plate 44
Upside is provided with support hole 441, and support hole 441 is blind hole, and 1 lower end of lens is pierced into support hole 441, and 1 lower end of lens is outer
Peripheral wall and 441 hole wall face contact of support hole.Supporting role by supporting plate 44 to lens 1, and radial position-limiting action, can make
Lens 1 are clamped more firm in installation set 4.The bottom hole in support hole 441 is provided with rectangular intercommunicating pore 442, and intercommunicating pore 442 is remote
Greater than the size of chip 21, then chip 21 is not easy to touch 442 hole wall of intercommunicating pore, is also just hardly damaged；Chip 21 upwards according to
It is secondary to put in intercommunicating pore 442 and chip placing hole 12.Stripping hole 46 there are two being also extended through on supporting plate 44, two stripping hole 46
In the two sides of intercommunicating pore 442.
The implementation principle of the present embodiment are as follows: in mounted lens 1, first lens 1 can be installed into one by one in installation set 4, so
Frame plate 3 is controlled afterwards, keeps upper installing hole 31 and lower mounting hole 22 substantially aligned, frame plate 3 is made to be properly fit onto 2 side of pcb board later,
So that screw is passed through upper installing hole 31 and lower mounting hole 22, and is screwed into shell.In above-mentioned installation process, try not to make frame plate 3
It is slided on pcb board 2, to reduce the case where 1 lower end of lens pushes chip 21 repeatedly, it is impaired general also just to reduce chip 21
Rate.And by above-mentioned this mounting means, the process of gluing can be saved, can prevent glue from overflowing to 21 light-emitting surface of chip；One
The denier later period needs replacing lens 1, can also be more convenient remove lens 1.
Embodiment two: referring to Fig. 6, the present embodiment and embodiment one only difference is that, be fixed in the downside of frame plate 3
Two positioning sleeves 32, and open in the upside of pcb board 2 there are two Blind locating holes 23, each positioning sleeve 32 corresponds to a positioning blind
Hole 23.Positioning sleeve 32 is coaxially set with upper installing hole 31, and Blind locating holes 23 are also coaxially set with lower mounting hole 22, works as positioning
When set 32 is imbedded in Blind locating holes 23, upper installing hole 31 is just aligned with lower 22 coaxial line of mounting hole.And 32 lower end of positioning sleeve
Outer diameter be from the bottom to top in become larger setting, the aperture of Blind locating holes 23 is from top to bottom in gradually become smaller setting, then positioning sleeve
32 more can smoothly import into Blind locating holes 23.
The implementation principle of the present embodiment are as follows: the installation process of lens 1 is substantially same as embodiment one, the difference lies in that right
When neat upper installing hole 31 and lower mounting hole 22, positioning sleeve 32 and Blind locating holes 23 can play guiding role, to make alignment that can be
Smoothly, efficiently, and during stubborn screw 33, the positioning sleeve 32 being embedded in Blind locating holes 23 can play positioning action, prevent
Upper installing hole 31 and lower mounting hole 22 after only having completed alignment, because hand accidentally causes to misplace again.
Embodiment three: referring to Fig. 8, the present embodiment and embodiment one only difference is that, two pieces of pcb boards 2 are along its width
Direction is linearly arranged, then the arrangement form of two frame plates 3 is also changed accordingly.
The implementation principle of the present embodiment are as follows: it is same as embodiment one, wherein it is worth noting that, the quantity of pcb board 2 can be more than
There are two pieces, and several pieces of pcb boards 2 can be arranged in array or cross arrangement, meanwhile, the arrangement shape of frame plate 3 corresponding with pcb board 2
Also correspondence changes formula.
Example IV: referring to Fig. 9, the present embodiment and embodiment one only difference is that, each installation set 4 is one corresponding
Frame plate 3 and a lens 1, each frame plate 3 are still connected by screw to pcb board 2.
The implementation principle of the present embodiment are as follows: be same as embodiment one.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (9)
1. a kind of lens installation structure, including pcb board (2), it is mounted on the chip (21) of pcb board (2) side, it is characterised in that:
The pcb board (2) is equipped with lens (1) and installation set (4) close to the side of chip (21), and lens (1) are connected to installation set (4)
Interior, installation set (4) periphery is fixed with frame plate (3), and frame plate (3) is equipped with upper installing hole (31), and pcb board (2) is equipped with lower installation
Hole (22), is equipped with screw (33) in upper installing hole (31) and screw (33) pierces into lower mounting hole (22).
2. a kind of lens installation structure according to claim 1, it is characterised in that: the installation set (4) is far from pcb board
(2) port of one end is equipped at least two toughness items (42), and toughness item (42) is fixed with close to the side of installation set (4) central axes
Fixture block (421)；Lens (1) are fixed with abutment ring (14) far from the periphery of chip (21) one end, and installation set (4) is far from chip (21)
A ring slot (43) is provided on the inner wall of one end port, abutment ring (14) is clamped axially in annular groove (43) slot bottom along installation set (4)
Between fixture block (421).
3. a kind of lens installation structure according to claim 2, it is characterised in that: the fixture block (421) is far from chip
(21) side is equipped with guiding surface (422)；When lens (1) be installed into installation set (4) it is interior when, abutment ring (14) pushes guiding oblique
Face (422), and gradually toughness item (42) is pushed to be bent towards far from installation set (4) central axes direction.
4. a kind of lens installation structure according to claim 1, it is characterised in that: fixed on installation set (4) inner wall
Have supporting plate (44), supporting plate (44) is provided with support hole (441) far from pcb board (2) side, and support hole is pierced into lens (1) one end
(441) in, and lens (1) periphery wall is abutted against with support hole (441).
5. a kind of lens installation structure according to claim 4, it is characterised in that: the supporting plate (44) and lens (1)
For face contact.
6. a kind of lens installation structure according to claim 1, it is characterised in that: the chip on every piece of pcb board (2)
(21) at least two pieces of quantity, and lens (1) quantity, chip (21) quantity, installation set (4) quantity are equal, every block frame plate (3)
On the quantity at least two of installation set (4) that is fixed with.
7. a kind of lens installation structure according to claim 1, it is characterised in that: the frame plate (3) is close to pcb board (2)
Side be fixed at least two positioning sleeves (32), pcb board (2) is provided at least two positioning blinds close to the side of installation set (4)
Hole (23), the corresponding Blind locating holes (23) of each positioning sleeve (32)；When positioning sleeve (32) imbed Blind locating holes (23) it is interior when, on
Mounting hole (31) and lower mounting hole (22) coaxial line.
8. a kind of lens installation structure according to claim 7, it is characterised in that: the positioning sleeve (32) is close to pcb board
(2) outer diameter of one end is by being in become larger setting, Blind locating holes (23) close to pcb board (2) one end to separate pcb board (2) one end
Aperture by close to frame plate (3) one end to far from frame plate (3) one end in gradually becoming smaller setting.
9. a kind of lens installation structure according to claim 7, it is characterised in that: the positioning sleeve (32) and upper installing hole
(31) it is coaxially set, Blind locating holes (23) are coaxially set with lower mounting hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029529.4U CN209116248U (en) | 2019-01-08 | 2019-01-08 | A kind of lens installation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029529.4U CN209116248U (en) | 2019-01-08 | 2019-01-08 | A kind of lens installation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209116248U true CN209116248U (en) | 2019-07-16 |
Family
ID=67209184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920029529.4U Active CN209116248U (en) | 2019-01-08 | 2019-01-08 | A kind of lens installation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209116248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112698464A (en) * | 2021-01-14 | 2021-04-23 | 北方夜视技术股份有限公司 | Degumming mechanism analysis and processing method for low-light-level image intensifier of coupling lens |
-
2019
- 2019-01-08 CN CN201920029529.4U patent/CN209116248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112698464A (en) * | 2021-01-14 | 2021-04-23 | 北方夜视技术股份有限公司 | Degumming mechanism analysis and processing method for low-light-level image intensifier of coupling lens |
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